---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-020444"
form_type: "8-K"
ticker: "PTIX"
cik: "0001022899"
company_name: "Protagenic Therapeutics, Inc.new"
filed_at: "2025-10-31T23:59:59+00:00"
generated_at: "2026-05-17T01:03:07.095136+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Protagenic Therapeutics files suit to rescind Phytanix Bio acquisition or seek damages

## Summary
- Filed Verified Complaint in Delaware Chancery Court on October 28, 2025.
- Seeks rescission of May 15, 2025 Share Exchange Agreement acquiring Phytanix Bio.
- Alternatively seeks damages and an order compelling delivery of audited financials.
- Lawsuit challenges the entire transaction; no settlement or resolution disclosed.

## SEC filing metadata
- accession: 0001493152-25-020444
- form_type: 8-K
- ticker: PTIX
- cik: 0001022899
- company_name: Protagenic Therapeutics, Inc.new
- filed_at: 2025-10-31T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1022899/000149315225020444/0001493152-25-020444-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1022899/000149315225020444/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-020444
- JSON: https://secwatch.observer/filing/0001493152-25-020444.json
- Plain text: https://secwatch.observer/filing/0001493152-25-020444.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.